Dell EMC PowerEdge C6520 review: Remote management The nodes have a dedicated slot at the rear which supports a BOSS-S1 (boot optimized storage subsystem) dual M.2 SATA adapter, which provides mirrored storage for running an OS. Memory capacity can be boosted to 1TB using RDIMMs and 2TB with LR-DIMMs.įor workloads that don't require much storage, you can specify a C6400 chassis without a backplane, which will improve your thermal outlook as airflow is less restricted. The CPU sockets are flanked on each side by four DIMM slots and ours were all populated by 16GB 3,200MHz DDR4 RDIMM modules. Their 195W TDP puts them on the right side of any thermal restrictions and CPU 1 was also fitted with the extended heatsink kit which provides an extra 5℃ of leeway for continuous operating temperatures.
Our review system was supplied with a single node equipped with dual 2.1GHz 36-core Xeon Scalable Platinum 8352V CPUs which are optimised for virtualization duties. However, Dell EMC offers a DLC (direct liquid cooling) option which is up to four times more efficient than air-cooling and removes all thermal restrictions. The air-cooled version of this chassis uses four cold–swap fans but has a number of thermal restrictions, as most Xeon Scalable CPUs with TDPs of 235W and above are not supported in DP configurations. Note, however, that this is a legacy mixed-mode backplane and only offers PCI-e 3 speeds, whereas the new all-NVMe backplane delivers PCI-e 4 performance. Our system had 24 SFF drive bays (a 12-bay LFF model is also available) and each node gets an equal share of drives which, in the standard configuration, can be all SAS3/SATA, with the first two bays of each group also supporting NVMe SSDs.
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